CNN 2016 Poll: Clinton favored for Democrats; no clear GOP leader

By Paul Steinhauser, CNN Political Editor

Updated 3:59 PM ET, Mon September 16, 2013

Photos: Clinton's political career61 photos

Hillary Clinton's career in the spotlight – Former Secretary of State Hillary Clinton, pictured in October 2012, has become one of the most powerful people in Washington. Here's a look at her life and career through the years:

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Photos: Clinton's political career61 photos

Hillary Clinton's career in the spotlight – Before she married Bill Clinton, she was Hillary Rodham. Here, Rodham talks about student protests in 1969, which she supported in her commencement speech at Wellesley College in Wellesley, Massachusetts.

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Hillary Clinton's career in the spotlight – Rodham, center, a lawyer for the Rodino Committee, and John Doar, left, chief counsel for the committee, bring impeachment charges against President Richard Nixon in the Judiciary Committee hearing room at the U.S. Capitol in 1974.

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Hillary Clinton's career in the spotlight – Arkansas Gov. Bill Clinton helps first lady Rosalynn Carter on a campaign swing through Arkansas in June 1979. Also seen in the photo is Hillary Clinton, center background.

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Hillary Clinton's career in the spotlight – Bill Clinton embraces his wife shortly after a stage light fell near her on January 26, 1992. They talk to Don Hewitt, producer of the CBS show "60 Minutes."

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Hillary Clinton's career in the spotlight – With Hillary, Democratic presidential candidate Bill Clinton waves to the crowd at his victory party after winning the Illinois primary on March 17, 1992.

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Hillary Clinton's career in the spotlight – Al Gore, Tipper Gore, Bill Clinton and Hillary Clinton wave to supporters at the Chautauqua Institution in Chautauqua, New York, after they gave speeches on family values on August 23, 1992.

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Hillary Clinton's career in the spotlight – Clinton gestures at a campaign rally November 3, 1992, in Denver. After taking office, President Clinton chose his wife to head a special commission on health care reform, the most significant public policy initiative of his first year in office.

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Hillary Clinton's career in the spotlight – Bill and Hillary Clinton have a laugh together on Capitol Hill in 1993.

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Hillary Clinton's career in the spotlight – Clinton pours herself a cup of tea in 1993 while testifying to the Senate Education and Labor Committee about health care reform.

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Hillary Clinton's career in the spotlight – Clinton speaks at George Washington University on September 10, 1993, in Washington during her husband's first term.

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Hillary Clinton's career in the spotlight – Clinton waves to the media on January 26, 1996, as she arrives at federal court in Washington for an appearance before a grand jury. The first lady was subpoenaed to testify as a witness in the investigation of the Whitewater land deal in Arkansas.

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Hillary Clinton's career in the spotlight – Hillary Clinton looks on as President Clinton discusses the Monica Lewinsky scandal in the Roosevelt Room of the White House on January 26, 1998.

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Hillary Clinton's career in the spotlight – Hillary and Bill Clinton arrive at Foundry United Methodist Church on August 16, 1998, in Washington. He became the first sitting president to testify before a grand jury when he testified via satellite about the Lewinsky matter.

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Hillary Clinton's career in the spotlight – Clinton shakes hands during a St. Patrick's Day parade in the Sunnyside neighborhood of Queens, New York, on March 5, 2000.

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Hillary Clinton's career in the spotlight – Clinton waves to the crowd as she arrives on the stage at the Democratic National Convention on August 14, 2000, in Los Angeles.

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Hillary Clinton's career in the spotlight – Clinton campaigns for a Senate seat October 25, 2000, at Grand Central Station in New York.

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Hillary Clinton's career in the spotlight – Hillary Clinton is sworn in as a senator of New York in a re-enactment ceremony with, from left, President Clinton, nephew Tyler, daughter Chelsea, brother Hugh Rodham, mother Dorothy Rodham and Vice President Al Gore on January 3, 2001, in Washington.

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Hillary Clinton's career in the spotlight – Andrew Cuomo, Eliot Spitzer and Clinton celebrate with a crowd of Democratic supporters after their wins in various races November 7, 2006, in New York.

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Hillary Clinton's career in the spotlight – Clinton speaks during a post-primary rally on January 8, 2007, at Southern New Hampshire University in Manchester, New Hampshire.

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Hillary Clinton's career in the spotlight – The Clintons pay a visit to the 92nd annual Hopkinton State Fair in Contoocook, New Hampshire, on September 2, 2007.

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Hillary Clinton's career in the spotlight – Clinton speaks at a campaign rally September 2, 2007, in Portsmouth, New Hampshire. She was running for the Democratic presidential nomination.

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Hillary Clinton's career in the spotlight – Clinton addresses a question during a debate with other Democratic presidential candidate at Dartmouth College in Hanover, New Hampshire, on September 26, 2007. Also pictured are U.S. Rep. Dennis Kucinich of Ohio, left, and former U.S. Sen. Mike Gravel of Alaska.

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Hillary Clinton's career in the spotlight – Felipe Bravo, left, and Christian Caraballo are covered with Hillary Clinton stickers in downtown Manchester, New Hampshire, on January 8, 2008.

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Hillary Clinton's career in the spotlight – Clinton campaigns in Council Bluffs, Iowa, with her daughter, Chelsea, on January 1, 2008, two days ahead of the January 3 state caucus.

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Hillary Clinton's career in the spotlight – Clinton waves as she speaks to supporters at the National Building Museum on June 7, 2008, in Washington. After pulling out of the presidential race, Clinton thanked her supporters and urged them to back Barack Obama to be the next president of the United States.

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Hillary Clinton's career in the spotlight – Obama and Clinton talk on the plane on their way to a Unity Rally in Unity, New Hampshire, on June 27, 2008.

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Hillary Clinton's career in the spotlight – Obama watches Clinton address the Democratic National Convention on August 26, 2008. The two endured a long, heated contest for the 2008 nomination.

Hillary Clinton's career in the spotlight – Clinton testifies during her confirmation hearing for secretary of state on January 13, 2009, in Washington.

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Hillary Clinton's career in the spotlight – Clinton, as secretary of state, dances with a local choir while visiting the Victoria Mxenge Housing Project in Philippi, a township on the outskirts of Cape Town, South Africa, on August 8, 2009.

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Hillary Clinton's career in the spotlight – Clinton looks through binoculars toward North Korea during a visit to an observation post July 21, 2010, at the demilitarized zone separating the two Koreas.

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Hillary Clinton's career in the spotlight – Clinton walks up the steps to her aircraft as she leaves a meeting of the Association of Southeast Asian Nations on July 23, 2010, in Hanoi, Vietnam.

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Hillary Clinton's career in the spotlight – Hillary and Bill Clinton pose on the day of their daughter's wedding to Marc Mezvinsky on July 31, 2010, in Rhinebeck, New York.

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Hillary Clinton's career in the spotlight – U.S. President Barack Obama and Clinton observe a moment of silence before a NATO meeting November 19, 2010, in Lisbon, Portugal.

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Hillary Clinton's career in the spotlight – Clinton listens as Turkish Foreign Minister Ahmet Davutoglu makes a brief statement November 29, 2010, before a bilateral meeting at the State Department in Washington.

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Hillary Clinton's career in the spotlight – Clinton shakes hands with a child during an unannounced walk through Tahrir Square in Cairo on March 16, 2011.

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Hillary Clinton's career in the spotlight – Obama, Vice President Joe Biden, Clinton and members of Obama's national security team receive an update on the Osama bin Laden mission May 1, 2011, in the Situation Room of the White House.

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Hillary Clinton's career in the spotlight – Clinton checks her personal digital assistant prior to departing Malta on October 18, 2011.

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Hillary Clinton's career in the spotlight – Clinton dances while in Cartagena, Colombia, on April 15, 2012.

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Hillary Clinton's career in the spotlight – Clinton enjoys a beer at Cafe Havana in Cartagena, Colombia, on April 15, 2012.

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Hillary Clinton's career in the spotlight – Clinton appears with little makeup during an event in Dhaka, Bangladesh, on May 6, 2012. She tells CNN, "I feel so relieved to be at the stage I'm at in my life right now ... Because you know if I want to wear my glasses, I'm wearing my glasses. If I want to wear my hair back I'm pulling my hair back. You know at some point it's just not something that deserves a lot of time and attention."

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Hillary Clinton's career in the spotlight – Clinton speaks as Afghanistan President Hamid Karzai listens during a news conference at the presidential palace in Kabul, Afghanistan, on July 7, 2012.

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Hillary Clinton's career in the spotlight – Clinton arrives at Ben Gurion International Airport in Israel on July 15, 2012.

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Hillary Clinton's career in the spotlight – Clinton looks on as Obama makes a statement in response to the attack at the U.S. Consulate in Libya on September 12, 2012.

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Hillary Clinton's career in the spotlight – Clinton applauds Myanmar opposition leader Aung San Suu Kyi during a ceremony where Suu Kyi was presented with the Congressional Gold Medal on September 19, 2012.

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Hillary Clinton's career in the spotlight – Bill Clinton kisses his wife after introducing her at the Clinton Global Initiative annual meeting on September 24, 2012, in New York City.

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Hillary Clinton's career in the spotlight – Clinton shakes hands with Libyan President Mohamed Magariaf on September 24, 2012, in New York.

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Hillary Clinton's career in the spotlight – Clinton stands during a news conference following meetings at the prime minister's office in Pristina, Kosovo, on October 31, 2012. Clinton said that Kosovo's unilaterally declared independence, fiercely opposed by Serbia, was "not up for discussion."

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Hillary Clinton's career in the spotlight – Clinton chats with Suu Kyi before Obama speaks at the University of Yangon in Yangon, Myanmar, on November 19, 2012.

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Hillary Clinton's career in the spotlight – Obama looks at Clinton before the start of a bilateral meeting with Japanese Prime Minister Yoshihiko Noda, far right, during the East Asian Summit in Phnom Penh, Cambodia, on November 20, 2012.

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Hillary Clinton's career in the spotlight – Israeli Prime Minister Benjamin Netanyahu shakes hands with Clinton at the prime minister's office November 20, 2012, in Jerusalem.

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Hillary Clinton's career in the spotlight – Clinton receives a sports jersey and football helmet from Deputy Secretary Tom Nides, center, after returning to work on January 7, 2013, following a fall where she hit her head and doctors later detected a blood clot. The number 112 represented the number of countries that she had visited as secretary of state.

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Hillary Clinton's career in the spotlight – Clinton and her husband arrive for the inauguration for Obama's second term on January 21, 2013.

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Hillary Clinton's career in the spotlight – Clinton testifies before the Senate Foreign Relations Committee on Capitol Hill on January 23, 2013. Lawmakers questioned Clinton about the security failures during the Benghazi, Libya, attacks that led to the death of four Americans, including U.S. Ambassador Christopher Stevens.

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Hillary Clinton's career in the spotlight – From left, first lady Michelle Obama stands with former first ladies Laura Bush, Clinton, Barbara Bush and Rosalynn Carter at the opening ceremony of the George W. Bush Presidential Center in Dallas on April 25, 2013.

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Hillary Clinton's career in the spotlight – From left, Clinton, former first lady Laura Bush and former Presidents Bill Clinton and George W. Bush listen to speakers during the memorial service for Nelson Mandela in Soweto, South Africa, on December 10.

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Photos: Hillary Clinton's career in the spotlight – Clinton ducks after a woman threw a shoe at her while she was delivering remarks at the Institute of Scrap Recycling Industries conference in Las Vegas on April 10.

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Photos: Hillary Clinton's career in the spotlight – Clinton tours the National September 11 Memorial & Museum in New York with President Barack Obama, former New York Mayor Michael Bloomberg, first lady Michelle Obama and former President Clinton on May 15.

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Hillary Clinton's career in the spotlight – Clinton sits down with ABC News anchor Diane Sawyer on Thursday, June 5, for her first television interview in conjunction with the release of her new book, "Hard Choices."

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Hillary Clinton's career in the spotlight – Clinton makes 10-year-old Macy Friday's day as she campaigns for U.S. Sen. Mark Udall during a stop Monday, October 13, in Union Station in Denver.

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Story highlights

Biden distant second to Hillary Clinton in a new poll on 2016 presidential nod

The poll also indicates no frontrunner for the 2016 GOP nomination at this point

Seventeen percent of Republicans and GOP-leaning independents likely to support Chris Christie

But the poll also indicates problems for Christie with conservative Republicans; Rubio number drops

A new national poll in the battle for the 2016 Democratic and Republican presidential nominations indicates what you would expect: Hillary Clinton is the overwhelming Democratic frontrunner, and there's no real leader among the possible GOP White House hopefuls.

It showed 65% of Democrats and independents who lean toward that party say they would likely back Clinton as their presidential nominee. Vice President Joe Biden comes in a distant second, at 10%, with freshman Sen. Elizabeth Warren of Massachusetts at 7%, New York Gov. Andrew Cuomo at 6%, and Maryland Gov. Martin O'Malley at 2%.

The CNN survey is in line with previous polls from other organizations conducted earlier this year that indicated Clinton, who has not said whether she'll run, is far ahead of all the other possible Democratic candidates.

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Even though the next race for the White House is a long way away, there's already intense speculation over whether the former secretary of state will make a second bid for president.

As with previous surveys this year, the new CNN poll also indicates no GOP frontrunner.

Seventeen percent of Republicans and Independents who lean toward the GOP say they are likely to support New Jersey Gov. Chris Christie, with 16% backing Rep. Paul Ryan of Wisconsin, the House Budget Committee chairman and 2012 Republican vice presidential nominee.

Sen. Rand Paul of Kentucky is at 13%; former Florida Gov. Jeb Bush at 10%; Sen. Marco Rubio of Florida at 9%; Sen. Ted Cruz of Texas at 7%, and former Sen. Rick Santorum of Pennsylvania, a 2012 Republican presidential candidate who battled eventual nominee Mitt Romney deep into the primary season, at 5%.

Rubio's number stands out. The first-term senator, considered a rock star among many Republicans, registered in the upper teens in polls of the possible GOP 2016 horserace conducted by other organizations earlier this year.

But Rubio's support of immigration reform -- he was a high profile member of a bipartisan group of senators who pushed immigration reform passage through the Senate this spring -- may have hurt his standing with many conservative voters opposed to such efforts.

Santorum's 5% is also interesting.

"It's often said -- and it's usually true -- that polls taken years before the first presidential primaries are mostly tests of name recognition. But clearly (it's) something more than name recognition when it comes to Santorum," says CNN Polling Director Keating Holland.

"Santorum is well-known to GOP voters -- he had months of national exposure in the 2012 primaries, and since the start of the modern primary system in the 1970s, the GOP has tended to nominate the candidate who was the runner-up the last time the party had an open race for the nomination. But Santorum is not just in the middle of the pack -- he is currently running dead last out of the eight candidates tested," adds Holland.

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Christie may be on top of the list, but he's not first in the minds of conservatives, who dominate more moderate Republicans in the GOP primaries and caucuses.

According to the poll, only 8% of Republicans who consider themselves conservatives say they would be likely to back Christie, compared to 28% of self-described moderate Republicans.

In the potential Democratic battle, the survey indicates Clinton performing better with women (76%) than men (52%). And Biden scores higher with voters age 50 and older (18%) than those younger than 50 (5%).

The sample included 218 respondents who describe themselves as Republicans and 234 who describe themselves as independents who lean towards GOP, for a total of 452 Republicans, and 311 respondents who describe themselves as Democrats and 137 who describe themselves as independents who lean Democratic, for a total of 448 Democrats.